Amazing Z-Image WF v4.0

This update includes the following new features and improvements:

• Increased Style Options: Configurable styles have been expanded, now offering 18 options per workflow.
• Refiner: Add more details to images by applying a second processing pass.
• Upscaler: Enhance image resolution by up to +50% in just a few seconds.
• Mode Selector: This option allows for optimizing the refiner and upscaler specifically for either Photography or Illustration.
• Speed Panel: A pair of options dedicated to accelerating image generation without significant quality degradation.
• Power LoRA Loader: This node is now included, facilitating the loading of multiple LoRAs.
• Workflow Split: The original z-image workflow has been divided into two different variants: amazing-z-image-a and amazing-z-image-b.